M3.6

USGS earthquake · M3.693 km N of Brenas, Puerto Rico

Name: M3.6 earthquake at 93 km N of Brenas, Puerto Rico
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Oct 21, 2026, 12:55 AM UTC · 15 hours ago

Map centered on the earthquake at 93 km N of Brenas, Puerto Rico, with a marker at its epicenter

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Depth69.0 km

Origin timeOct 21, 2026, 12:55 AM UTC

Coordinates19.305, -66.258

Tsunami flagNot reported

Magnitude scaleDuration magnitude

SolutionReviewed by a seismologist

Official source

U.S. Geological Survey

Terremoto preserves this event snapshot for a stable public link. USGS remains the authoritative source for revisions and scientific details.

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USGS earthquake · M3.693 km N of Brenas, Puerto Rico

U.S. Geological Survey

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